§172.775 食品添加剂异丁烯�?二乙烯苯共聚�?Methacrylic acid-divinylbenzene copolymer)

　　�� 172.775 Methacrylic acid-divinylbenzene copolymer.

　　Methacrylic acid-divinylbenzene copolymer may be safely used in food in accordance with the following prescribed conditions:

　　（a� The additive is produced by the polymerization of methacrylic acid and divinylbenzene. The divinylbenzene functions as a cross-linking agent and constitutes a minimum of 4 percent of the polymer.

　　（b� Aqueous extractives from the additive do not exceed 2 percent （dry basis� after 24 hours at 25 ��C.

　　（c� The additive is used as a carrier of vitamin B₁₂in foods for special dietary use.

　　更多关于美国 FDA 已批准的直接用于人类食品的添加剂种类法规，请点击美国FDA 21 CFR �?72部分已批准的直接用于人类食品的添加剂种类汇怺�/a>